点对点网间短消息的服务质量要求和测试方法
The technical requirement and test method of service qualification of peer to peer short message Interworking between networks
2005-09-01
YD/T 2539-2013
点对点网间短消息服务质量补充要求和测试方法
Supplementary technical requirements and test method for the quality of service of peer to peer short message interworking between networks